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-rw-r--r--arch/arm/mach-ebsa110/io.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-ebsa110/io.c b/arch/arm/mach-ebsa110/io.c
index c648bfb676a..db38afb2aa8 100644
--- a/arch/arm/mach-ebsa110/io.c
+++ b/arch/arm/mach-ebsa110/io.c
@@ -28,7 +28,7 @@
#include <asm/io.h>
#include <asm/page.h>
-static void __iomem *__isamem_convert_addr(void __iomem *addr)
+static void __iomem *__isamem_convert_addr(const volatile void __iomem *addr)
{
u32 ret, a = (u32 __force) addr;
@@ -63,7 +63,7 @@ static void __iomem *__isamem_convert_addr(void __iomem *addr)
/*
* read[bwl] and write[bwl]
*/
-u8 __readb(void __iomem *addr)
+u8 __readb(const volatile void __iomem *addr)
{
void __iomem *a = __isamem_convert_addr(addr);
u32 ret;
@@ -75,7 +75,7 @@ u8 __readb(void __iomem *addr)
return ret;
}
-u16 __readw(void __iomem *addr)
+u16 __readw(const volatile void __iomem *addr)
{
void __iomem *a = __isamem_convert_addr(addr);
@@ -85,7 +85,7 @@ u16 __readw(void __iomem *addr)
return __raw_readw(a);
}
-u32 __readl(void __iomem *addr)
+u32 __readl(const volatile void __iomem *addr)
{
void __iomem *a = __isamem_convert_addr(addr);
u32 ret;